资料来源 : pyDict

凝灰质的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Tufaceous \Tu*fa"ceous\, a. [Cf. It. tufaceo, L. tofaceus,
   tofacius. See {Tufa}.] (Min.)
   Pertaining to tufa; consisting of, or resembling, tufa.